I didn't have any problems with the original firmware, so don't really expect to see any improvement in performance - but it's quick, easy and free, so why not.

I notice that the D4 firmware upgrade states, "Images are sharper and appear more three dimensional.". Oddly, I never heard anyone complaining about D4 image quality before and wonder what they have done to secure such an improvement. Obviously they weren't worried about image quality on the D800/E models.

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« Last Edit: April 02, 2013, 01:51:47 PM by PhotoEcosse »

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************************************"Reality is an illusion caused by lack of alcohol."Alternatively, "Life begins at the far end of your comfort zone."

The Live View fix lets the live view images on the LCD auto-adjust in brightness, so you can see an image no matter what your exposure settings. However (as it used to be in all LV modes) the lens is still stopped down to the shooting aperture all the time.

- The accuracy/speed/success rate of AF-S has been very significantly improved, especially in low/tungsten light - all posters seem to agree although the firmware release notes only mention improvement of AF-C performance (that is also confirmed),- The quality of live view display at 100% would also be improved - there is less agreement on this,- The camera would be sending automatically "please don't leave LL and ignore stubborn D800 users" emails to one famous MFDB fashion shooter.

- The accuracy/speed/success rate of AF-S has been very significantly improved, especially in low/tungsten light - all posters seem to agree although the firmware release notes only mention improvement of AF-C performance (that is also confirmed),- The quality of live view display at 100% would also be improved - there is less agreement on this,- The camera would be sending automatically "please don't leave LL and ignore stubborn D800 users" emails to one famous MFDB fashion shooter.

I have now been able to confirm the first point with impressive clarity, I also feel that the quality of live view at super magnification is much more pleasant.

On the other hand, I never had problems focusing with the original one.